/
load_balancer_remove_label.go
86 lines (74 loc) · 2.23 KB
/
load_balancer_remove_label.go
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package cli
import (
"errors"
"fmt"
"github.com/hetznercloud/cli/internal/cmd/cmpl"
"github.com/hetznercloud/hcloud-go/hcloud"
"github.com/spf13/cobra"
)
func newLoadBalancerRemoveLabelCommand(cli *CLI) *cobra.Command {
cmd := &cobra.Command{
Use: "remove-label [FLAGS] LOADBALANCER LABELKEY",
Short: "Remove a label from a Load Balancer",
Args: cobra.RangeArgs(1, 2),
ValidArgsFunction: cmpl.SuggestArgs(
cmpl.SuggestCandidatesF(cli.LoadBalancerNames),
cmpl.SuggestCandidatesCtx(func(_ *cobra.Command, args []string) []string {
if len(args) != 1 {
return nil
}
return cli.LoadBalancerLabelKeys(args[0])
}),
),
TraverseChildren: true,
DisableFlagsInUseLine: true,
PreRunE: chainRunE(validateLoadBalancerRemoveLabel, cli.ensureToken),
RunE: cli.wrap(runLoadBalancerRemoveLabel),
}
cmd.Flags().BoolP("all", "a", false, "Remove all labels")
return cmd
}
func validateLoadBalancerRemoveLabel(cmd *cobra.Command, args []string) error {
all, _ := cmd.Flags().GetBool("all")
if all && len(args) == 2 {
return errors.New("must not specify a label key when using --all/-a")
}
if !all && len(args) != 2 {
return errors.New("must specify a label key when not using --all/-a")
}
return nil
}
func runLoadBalancerRemoveLabel(cli *CLI, cmd *cobra.Command, args []string) error {
all, _ := cmd.Flags().GetBool("all")
idOrName := args[0]
loadBalancer, _, err := cli.Client().LoadBalancer.Get(cli.Context, idOrName)
if err != nil {
return err
}
if loadBalancer == nil {
return fmt.Errorf("Load Balancer not found: %s", idOrName)
}
labels := loadBalancer.Labels
if all {
labels = make(map[string]string)
} else {
label := args[1]
if _, ok := loadBalancer.Labels[label]; !ok {
return fmt.Errorf("label %s on Load Balancer %d does not exist", label, loadBalancer.ID)
}
delete(labels, label)
}
opts := hcloud.LoadBalancerUpdateOpts{
Labels: labels,
}
_, _, err = cli.Client().LoadBalancer.Update(cli.Context, loadBalancer, opts)
if err != nil {
return err
}
if all {
fmt.Printf("All labels removed from Load Balancer %d\n", loadBalancer.ID)
} else {
fmt.Printf("Label %s removed from Load Balancer %d\n", args[1], loadBalancer.ID)
}
return nil
}